How to use your freezer to reduce grocery spending (Australia)

The freezer as a price buffer

A well-used freezer lets you buy proteins, bread and other perishables at their lowest price rather than at whatever price they happen to be the day you run out. Over time this lowers your average spend per item without requiring you to change where you shop or what you eat.

The catch is that a freezer full of things you do not rotate is just expensive waste in cold storage. The habits that make it work are simple but need to be consistent.

What freezes well

Proteins: Most raw and cooked meats freeze well for one to three months. Mince, chicken pieces, sausages, fish fillets and prawns are all good candidates. Freeze in meal-sized portions rather than the full pack so you only defrost what you need.

Bread: A full loaf freezes well and toasts directly from frozen. If you regularly throw out the end of a loaf, buying one loaf and freezing half immediately reduces waste considerably.

Cooked meals: Soups, curries, bolognese, stews and baked goods all freeze well. Batch cooking and freezing portions gives you a ready meal that costs a fraction of a commercial equivalent.

Dairy: Butter, grated cheese and some hard cheeses freeze adequately for cooking purposes. Milk can be frozen but the texture changes—useful in a pinch.

Fruit and vegetables: Most vegetables benefit from blanching before freezing. Bananas, berries and sliced stone fruit freeze well for smoothies and baking without any preparation.

What does not freeze well

Fresh salad leaves, cucumber, whole tomatoes, cooked pasta and eggs in their shells do not freeze usefully. Freezing them leads to waste rather than savings.

Labelling and rotation

Unlabelled bags are the main reason freezers stop working as a money-saving tool. Write the item and date on every bag or container before it goes in. Use older items first—a simple rule that prevents a drawer full of mystery meals from six months ago.

Buying on special to freeze

When chicken thighs, beef mince or pork are on half-price promotion, buying extra for the freezer lowers your average price over the month. This only saves money if you have space and will actually cook it before the recommended storage time. Our affordable protein guide covers which proteins are most worth watching for specials.

Checking what is in the freezer before you shop

A quick look at the freezer before writing your list prevents buying duplicates of things you already have. It also reminds you to use something that has been in there a while. Our meal planning guide covers building a list from what you already have.